1. The girls are so funny they make me _______.

crack down
crack up
both

2. The police need to _______ on crime.

crack down
crack up
both

3. The teacher makes everyone ________.

crack up
crack down
both

4. The teacher wants to _______ on students coming late to class.

crack up
crack down
both

5. The police are going to _______ on people not wearing masks during Covid-19.

crack up
crack down
both

6. Do you think the government will ______ on tax fraud?

crack down
crack up
both

7. I was ________ during the movie.

cracking up
cracking down
both

8. The stores are trying to _______ on stealing.

crack down
crack up
both